I live in a safe area, but I must confess the "don't lock the doors" comment was a bit of hyperbole. I'd be a fool not to use door locks...
I also have a few guns...1911A1 .45, S&W 9mm, 6 .22 target rifles/pistols, 8mm German auto (WWII), 12ga pump, 12ga double, .306, and a model 70 .375 H&H...